package com.cn.hu.entity;

import java.sql.Timestamp;
import java.util.List;
import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import static org.hibernate.criterion.Example.create;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

/**
 * A data access object (DAO) providing persistence and search support for
 * Supplier entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.cn.hu.entity.Supplier
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class SupplierDAO {
	private static final Logger log = LoggerFactory
			.getLogger(SupplierDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String CONTACTS_NAME = "contactsName";
	public static final String TEL = "tel";
	public static final String MOBILE = "mobile";
	public static final String EMAIL = "email";
	public static final String ADDRESS = "address";
	public static final String STATUS = "status";
	public static final String BAK = "bak";

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(Supplier transientInstance) {
		log.debug("saving Supplier instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Supplier persistentInstance) {
		log.debug("deleting Supplier instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Supplier findById(java.lang.Integer id) {
		log.debug("getting Supplier instance with id: " + id);
		try {
			Supplier instance = (Supplier) getCurrentSession().get(
					"com.cn.hu.entity.Supplier", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List<Supplier> findByExample(Supplier instance) {
		log.debug("finding Supplier instance by example");
		try {
			List<Supplier> results = (List<Supplier>) getCurrentSession()
					.createCriteria("com.cn.hu.entity.Supplier")
					.add(create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Supplier instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Supplier as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Supplier> findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List<Supplier> findByContactsName(Object contactsName) {
		return findByProperty(CONTACTS_NAME, contactsName);
	}

	public List<Supplier> findByTel(Object tel) {
		return findByProperty(TEL, tel);
	}

	public List<Supplier> findByMobile(Object mobile) {
		return findByProperty(MOBILE, mobile);
	}

	public List<Supplier> findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List<Supplier> findByAddress(Object address) {
		return findByProperty(ADDRESS, address);
	}

	public List<Supplier> findByStatus(Object status) {
		return findByProperty(STATUS, status);
	}

	public List<Supplier> findByBak(Object bak) {
		return findByProperty(BAK, bak);
	}

	public List findAll() {
		log.debug("finding all Supplier instances");
		try {
			String queryString = "from Supplier";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Supplier merge(Supplier detachedInstance) {
		log.debug("merging Supplier instance");
		try {
			Supplier result = (Supplier) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Supplier instance) {
		log.debug("attaching dirty Supplier instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Supplier instance) {
		log.debug("attaching clean Supplier instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static SupplierDAO getFromApplicationContext(ApplicationContext ctx) {
		return (SupplierDAO) ctx.getBean("SupplierDAO");
	}
}